|Actor||Renee Elise Goldsberry|
|First Appearance||"Beautiful Frame"|
|Last Appearance||"Beast's Obsession"|
Martha Marron is a defense attorney. She became the co-counsel for William Lewis during his trial for the kidnapping of Detective Olivia Benson. Lewis later went after her when he escaped from prison, but she was not at home at the time and therefore avoided harm during his rampage.